616856 has 16 divisors (see below), whose sum is σ = 1171800. Its totient is φ = 304384.

The previous prime is 616849. The next prime is 616871. The reversal of 616856 is 658616.

It is a super-2 number, since 2×616856² = 761022649472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 1128.

2⁶¹⁶⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

616856 is a deficient number, since it is larger than the sum of its proper divisors (554944).

616856 is a wasteful number, since it uses less digits than its factorization.

616856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1014 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 616856 is about 785.4018079938. The cubic root of 616856 is about 85.1258113836.

The spelling of 616856 in words is "six hundred sixteen thousand, eight hundred fifty-six".